The Columbia County Rural Electric Association (REA) will construct a four-mile long transmission line and a substation near Burbank. The project will cover a total of 51.1 acres, and fifty-five poles will be installed to construct the transmission line. As support for the State Environmental Policy Act (SEPA) checklist, Columbia REA chose to consider the […]

The project required replacement and realignment of several utility poles, and potential maintenance road construction along the realigned corridor. The Project Area is located west of the Sanpoil River and south of French Johns Lake and covered 7.5 acres along steep, east-facing slopes that parallel the western shoulder of State Highway 21. The confluence of […]

Plateau’s client sought to reroute approximately one-mile of transmission power line between two existing points on a transmission line corridor spanning the Swawilla Basin on the Colville Indian Reservation. The Confederated Tribes of the Colville Reservation (CCT) requested that a cultural resource survey be completed prior to ground disturbing activities, and Plateau’s cultural resource survey […]

In 2008, Plateau conducted a cultural resource survey of the Gold Creek Substation as part of the Methow Transmission Project. The survey covered 2.0 acres and included the review of two geotechnical bore spoil piles. No cultural material or features were observed during either the survey or screening of nearly a cubic meter of spoils. […]